Landscaping Rules in Colusa County, CA (2026)

2 rules for unincorporated Colusa County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Colusa County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Weed Ordinances

Unincorporated Colusa County's Zoning Code doesn't set a numeric weed-height limit, but Section 44-3.10.020(G) calls for landscaped areas on qualifying projects to be kept free of debris, trash and weeds, with plant material that needs pruning or mowing maintained on a periodic basis so it doesn't overgrow or visually deteriorate.

Colusa County Landscape Weed Maintenance Rule

Light Restrictions

Colusa County Zoning Code § 44-3.10.020(G)

G. Maintenance. All landscaped areas should be kept free of debris, trash, weeds, and other unsightly material. Landscape material requiring pruning or mowing should be maintained on a periodic basis to avoid overgrowth and visual deterioration.

Full ordinance details →Official source ↗

Water Restrictions

Unincorporated Colusa County requires covered landscape projects to water on a schedule. Zoning Code Section 44-3.10.070(B) mandates that landscape irrigation run only between 8:00 p.m. and 10:00 a.m., keeping sprinklers off during the high-wind, high-temperature, high-water-use hours of the day.

Colusa County Irrigation Watering Hours

Some Restrictions

Colusa County Zoning Code § 44-3.10.070(B)

B. Irrigation Schedule. Landscape irrigation shall be scheduled between the hours of 8:00 p.m. and 10:00 a.m. to avoid irrigating during times of high wind, high temperature, and high water usage.

Full ordinance details →Official source ↗

All Colusa County ordinances

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